Paul, I just had breakfast with another SDR owner..... he described the same problem..... he found that when he set the PreAmp to low or off, the low freq audio hum went away.
I'd be curious if that fixes your problem. (Too much gain) Good luck and welcome to the world of "Customer Defined Radio"..... also known as "Software Defined Radio". 73, Terry W0VB Quoting Paul Shaffer <[EMAIL PROTECTED]>: > I consistently get a low freq. audio hum in MW AM broadcast. It makes > reception in this band a curiosity, not something I can really > listen to. > > Since users are consistently raving about the audio quality in this band, > I guess I'm doing something wrong. Any sort of troubleshooting advice? > > I use a linear lambda supply, not near the radio, and none of the cabling > seems to be a problem. There is no hum in HF reception modes. > > > > > > > _______________________________________________ > FlexRadio mailing list > [email protected] > http://mail.flex-radio.biz/mailman/listinfo/flexradio_flex-radio.biz > Archive Link: http://mail.flex-radio.biz/pipermail/flexradio_flex-radio.biz/ > FlexRadio Homepage: http://www.flex-radio.com >
